Association between calcitonin receptor gene polymorphisms and calcium stone urolithiasis: A meta-analysis.

PURPOSE:It has been reported that calcitonin receptor (CALCR) gene polymorphisms might be associated with calcium stone urolithiasis. Owing to mixed and inconclusive results, we conducted a meta-analysis to summarize and clarify this association. MATERIALS AND METHODS:A systematic search of studies on the association between CALCR gene polymorphisms and calcium stone urolithiasis susceptibility was conducted in databases. RESULTS:Odds ratios and 95% confi dence intervals were used to pool the effect size. Five articles were included in our meta-analysis. CONCLUSIONS:CALCR rs1801197 might be associated with increased risk of calcium stone urolithiasis. There is insufficient data to fully confirm the association between CALCR rs1042138 and calcium stone urolithiasis susceptibility. Well-designed studies with larger sample size and more subgroups are required to validate the risk identified in the current meta-analysis.

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